Accessibility of Primitive Launches and Other SitesAs of Thursday, June 4th, 2020 where elevation was 3606.46'

SITE/LAUNCH NAME

MINIMUM SAFEELEVATION

ABSOLUTE MINIMUMUSABLE ELEVATION

CURRENT LEVEL VS.ABSOLUTE MINIMUM

CURRENT ACCESSIBILITY

Halls Crossing Launch

3550.00

3548.00

58.46 Above

Open and Usable

Wahweap

3558.00

3556.00

50.46 Above

Open and Usable

Bullfrog (Main Launch)

3578.00

3576.00

30.46 Above

Open and Usable

Castle Rock Cut-Off

3583.00

3580.00

26.46 Above

Open and Usable

Antelope Point

3588.00

3587.00

19.46 Above

Open and Usable

Dominguez Butte Cut-Off

3602.00

3600.00

6.46 Above

Open and Usable

Gunsight to Padre Bay Cut-Off

3613.00

3609.00

2.54 Below

Unusable, go to main marinas

Hite Marina

3650.00

3645.00

38.54 Below

Unusable, go to main marinas

Farley Canyon

3653.00

3649.00

42.54 Below

Unusable, go to main marinas

Copper Canyon

3663.00

3660.00

53.54 Below

Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off

3670.00

3668.00

61.54 Below

Unusable, use Main Channel

Piute Farms

3682.00

3680.00

73.54 Below

Unusable, go to main marinas

Blue Notch is unknown and really just shoreline launching at
whatever point feels good. No minimum given except amount of courage it takes to reach this launch.

Search DB For More Water Data Facts

Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZWater temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1.9835 * Flow CFS
TP = Total Precipitation

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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
Since Filled is from 06/22/1980 forward
*Water temp data is provided by Wayne Gustaveson as measured in the a.m. at the Wahweap docks
*Air temp data is sourced from (Prev 24 Hr Extremes): Page, AZ Weather
All data is provisional and subject to review and modification
Call 1-800-752-8525 for up-to-date water level infomation
or go to Lake Powell Source DataUSBR Projected OutlookCurrent Snowpack Conditions for Upper Colorado Basin